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DHTML Ad Box Matt's DHTML ad script displays an 'inexcusable' box in the middle of the page, broadcasting ads of your choice inside. The box automatically disappears after x seconds, with its display frequency configurable (ie: show ad box only 1 of out 5 times the page is loaded). This is one method of serving ads that may just be effective, since it contains qualities of a TV/radio commercial.

Category: Browser, Page effect

Sets or retrieves the reading order of the object This JavaScript will change scrollbar from right to left when vistors click button.

Category: Browser, Page effect

Scientific calculator for chemists with notebook Scientific calculator for chemists with notebook is a fully functioning JavaScript calculator. This calculator code can be used as common scientific calculator code (sin, cos, log, power, root, memory), but it also includes a molecular weight calculator and the tables with various physical and chemical constants. The calculator contains a list with task history, storing all the recent inputs and results. Scientific calculator displays the numbers rounded to a user-specified number of decimal places.

Scientific Calculator 2 This is a different script to create a calculator code with memorial function.

Binary Converter Computers read and store the decimal numbers we see everyday (1, 5, 10, 100, etc.) as binary numbers, a number of just 1's and 0's. All that you do is enter the decimal number and the script will output the binary equivalent! It is a binary converter!

Circumference Calculator JavaScript can help you figure the circumference of a circle when you enter the radius.

Category: Calculation, Math

Metric BMI Calculator Use this JavaScript to calculate your BMI (Body Mass Index). Measurements are computed using the metric system. A perfect addition for a health Web site.

Category: Calculation

GCD/LCM Calculator This calculator code can quickly determine the Greatest Common Factor and Least Common Multiplier between two or three numbers.

Category: Calculation, Math

Roman Numerals Converter An interesting script for converting between integers and Roman Numerals, as well as checking the validity of Roman Numerals for common mistakes.

Inches and Centimeters Change inches to centimeters and back using this short, sweet script. Very easy to use, just type in the number and click.

JavaScript by day

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